15432142650 has 48 divisors (see below), whose sum is σ = 39591439200. Its totient is φ = 3973332160.

The previous prime is 15432142639. The next prime is 15432142711. The reversal of 15432142650 is 5624123451.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1769460 + ... + 1778159.

It is an arithmetic number, because the mean of its divisors is an integer number (824821650).

Almost surely, 2^15432142650 is an apocalyptic number.

15432142650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15432142650 is an abundant number, since it is smaller than the sum of its proper divisors (24159296550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15432142650 is a wasteful number, since it uses less digits than its factorization.

15432142650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547663 (or 3547658 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 15432142650 in words is "fifteen billion, four hundred thirty-two million, one hundred forty-two thousand, six hundred fifty".